Finding the Fourth Proportional to 190,702.14, 263,220.01 and 119,039.01
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Solution
The fourth proportional to 190,702.14, 263,220.01 and 119,039.01 is: 164,305.70
Step by Step Solution
- Step 1: Write the proportion equation
190,702.14 : 263,220.01 = 119,039.01 : x - Step 2: Convert to fraction form
190,702.14/263,220.01 = 119,039.01/x - Step 3: Cross multiply
190,702.14x = 263,220.01 × 119,039.01 - Step 4: Simplify right side
190,702.14x = 31,333,449,104.99 - Step 5: Solve for x
x = 31,333,449,104.99/190,702.14 - Step 6: Final answer
x = 164,305.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.